How to pronounce“point source”in English

Take one point source of light, on its own it casts a perfectly sharp shadow, but add a second point, also perfectly sharp, but arriving at a different angle.

preservable they're their point source produce so you can take the factory and put the stamp on at the factory they're centralized distributed and so they're

this is not a point source of light so my first thought was cover it with tin foil and make a hole on the front to reduce the size of

If I have a point source sitting on the ground, one direction is as good as any other direction.

So now it's like a point source again.

He suspected an outbreak that concentrated would probably involve a single point source.

As in our little problem we did last time with a point source and the wind carrying it away.